package com.zhuanzhuan.hero.user.util;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * @ClassName SpringUtil
 * @Description 获取IOC容器的bean
 * @Author hanjunjun
 * @Date 2020/5/25 11:24
 */
@Component
public class SpringContextUtil implements ApplicationContextAware {

    private static ApplicationContext applicationContext;

    @Override
    public void setApplicationContext(ApplicationContext context) throws BeansException {
        applicationContext = context;
    }

    private static ApplicationContext getApplicationContext() {
        return applicationContext;
    }

    /**
     * 通过name获取bean
     *
     * @param name
     * @return java.lang.Object
     */
    public static Object getBean(String name) {
        return getApplicationContext().getBean(name);
    }

    public static <T> T getBean(Class<T> clazz) {
        return getApplicationContext().getBean(clazz);
    }

    public static <T> T getBean(String name, Class<T> clazz) {
        return getApplicationContext().getBean(name, clazz);
    }
}
